first_spec_class second_spec_class prob_first_spec_class prob_second_spec_class taxonomy wavelength author ref method CX 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT D X 0.1666 0.2200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT X X 0.2440 0.2200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT